Jennifer Hansen Rolli Books

Just One More Solo Uno Mas Bilingual edition

By Jennifer Hansen Rolli

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Just One More

By Jennifer Hansen Rolli

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Just One More

By Jennifer Hansen Rolli

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Sometimes Ruby needsjust one more minute of sleep,one more thingy for her hair,one more push on the swing,and one more scoop on her cone,(and one more,  and one more, and one more . . .)until...

Claudia and Moth

By Jennifer Hansen Rolli

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Just One More

By Jennifer Hansen Rolli

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How to Trick the Tooth Fairy

By Erin Danielle Russell, Jennifer Hansen Rolli

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Just for Me

By Jennifer Hansen Rolli

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Just One More

By Jennifer Hansen Rolli

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Sometimes Ruby needsjust one more minute of sleep,one more thingy for her hair,one more push on the swing,and one more scoop on her cone,(and one more,  and one more, and one more . . .)until...

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.